More on -50 errors when downloading purchased media We continue to report on an issue where users are unable to properly download media that has been successfully purchased from the iTunes Store.
An error message stating "iTunes has detected a problem with your audio configuration" is likely to be caused by a bug within iTunes or the associated QuickTime ...
If you're receiving errors reading: "An error occurred during the installation of assembly Microsoft... HRESULT: 0x80073715", "Apple Mobile Device Service failed to ...